I'm Matthieu, a laser physicist and R&D engineer from Bordeaux, France. By night, I build iOS apps. I was using a generic workout tracker that applied progressive overload for strength. But then I wanted to improve my cardiovascular health as a former smoker, and no app handled both running & lifting with real progression math. So I built AddFive. It covers everything: 💪 Strength: adds weight after consistent performances 🏃 Running: pushes pace, distance, or time 🤸 Calisthenics: advances you to the next variant automatically 🔥 HIIT: adds rounds after x consecutive successes I didn't want…